Lithium-stuffed garnet electrolytes with secondary phase inclusions
US-10347937-B2 · Jul 9, 2019 · US
Solid electrolyte and lithium ion battery
US2019084887A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2019084887-A1 |
| Application number | US-201716085949-A |
| Country | US |
| Kind code | A1 |
| Filing date | Mar 13, 2017 |
| Priority date | Mar 18, 2016 |
| Publication date | Mar 21, 2019 |
| Grant date | — |
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Abstract
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A solid electrolyte capable of securing grain boundary resistance even when sintering is performed at a relatively low temperature and a lithium ion battery using the solid electrolyte are provided. The solid electrolyte includes a first electrolyte which contains a lithium composite metal compound containing one kind of first metal element selected from group 13 elements in period 3 or higher, and a second electrolyte which contains Li and at least two kinds of second metal elements selected from group 5 elements in period 5 or higher or group 15 elements in period 5 or higher.
First claim
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1 . A solid electrolyte comprising: a first electrolyte which contains a lithium composite metal compound containing one kind of first metal element selected from group 13 elements in period 3 or higher; and a second electrolyte which contains Li and at least two kinds of second metal elements selected from group 5 elements in period 5 or higher or group 15 elements in period 5 or higher. 2 . The solid electrolyte according to claim 1 , wherein the first metal element is selected from Al and Ga. 3 . The solid electrolyte according to claim 1 , wherein an atomic crystal radius of the second metal element is 78 pm or more. 4 . The solid electrolyte according to claim 2 , wherein two kinds of the second metal elements are selected from Nb, Ta, Sb, and Bi. 5 . The solid electrolyte according to claim 1 , further comprising: a third electrolyte which is amorphous and is formed of an oxide containing Li and B. 6 . A lithium ion battery comprising: a solid electrolyte layer formed of the solid electrolyte according to claim 1 ; an electrode provided on one surface of the solid electrolyte layer; and a current collector provided on the other surface of the solid electrolyte layer. 7 . The lithium ion battery according to claim 6 , wherein the electrode is formed of metal lithium, and wherein a positive electrode active material layer containing Li is provided between the other surface of the solid electrolyte layer and the current collector.
Assignees
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Classifications
Wet mixtures · CPC title
of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators · CPC title
- C04B35/50Primary
based on rare-earth compounds {(non-oxide rare earth compounds C04B35/5156)} · CPC title
oxides · CPC title
Li-accumulators · CPC title
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- What does patent US2019084887A1 cover?
- A solid electrolyte capable of securing grain boundary resistance even when sintering is performed at a relatively low temperature and a lithium ion battery using the solid electrolyte are provided. The solid electrolyte includes a first electrolyte which contains a lithium composite metal compound containing one kind of first metal element selected from group 13 elements in period 3 or higher,…
- Who is the assignee on this patent?
- Seiko Epson Corp
- What technology area does this patent fall under?
- Primary CPC classification C04B35/50. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Mar 21 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).